Splitting fpdfdoc/doc_* part II.

core/fpdfdoc/cpdf_dest.cpp

+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfdoc/include/cpdf_dest.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+
+namespace {
+
+const FX_CHAR* const g_sZoomModes[] = {"XYZ",  "Fit",   "FitH",  "FitV", "FitR",
+                                       "FitB", "FitBH", "FitBV", nullptr};
+
+}  // namespace
+
+int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) {
+  CPDF_Array* pArray = ToArray(m_pObj);
+  if (!pArray)
+    return 0;
+
+  CPDF_Object* pPage = pArray->GetDirectObjectAt(0);
+  if (!pPage)
+    return 0;
+  if (pPage->IsNumber())
+    return pPage->GetInteger();
+  if (!pPage->IsDictionary())
+    return 0;
+  return pDoc->GetPageIndex(pPage->GetObjNum());
+}
+
+uint32_t CPDF_Dest::GetPageObjNum() {
+  CPDF_Array* pArray = ToArray(m_pObj);
+  if (!pArray)
+    return 0;
+
+  CPDF_Object* pPage = pArray->GetDirectObjectAt(0);
+  if (!pPage)
+    return 0;
+  if (pPage->IsNumber())
+    return pPage->GetInteger();
+  if (pPage->IsDictionary())
+    return pPage->GetObjNum();
+  return 0;
+}
+
+int CPDF_Dest::GetZoomMode() {
+  CPDF_Array* pArray = ToArray(m_pObj);
+  if (!pArray)
+    return 0;
+
+  CPDF_Object* pObj = pArray->GetDirectObjectAt(1);
+  if (!pObj)
+    return 0;
+
+  CFX_ByteString mode = pObj->GetString();
+  for (int i = 0; g_sZoomModes[i]; ++i) {
+    if (mode == g_sZoomModes[i])
+      return i + 1;
+  }
+
+  return 0;
+}
+
+FX_FLOAT CPDF_Dest::GetParam(int index) {
+  CPDF_Array* pArray = ToArray(m_pObj);
+  return pArray ? pArray->GetNumberAt(2 + index) : 0;
+}
+
+CFX_ByteString CPDF_Dest::GetRemoteName() {
+  return m_pObj ? m_pObj->GetString() : CFX_ByteString();
+}